100 Doors Aliens Space Level 17 Walkthrough

100 Doors Aliens Space Level 17 Walkthrough:Tap either of the buttons near the ceiling to bring in the robots. Press the left one, look at the yellow lines on the robot and tap the blocks with purple on the door that match the yellow lines. But make sure to look at the direction of the arrow on the robot's head to know the order to press them.Do the same with the right robot.